CVE-2021-43116

CVSS V2 Medium 6.5 CVSS V3 High 8.8

Description

An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.

Overview

CVE ID
CVE-2021-43116

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2022-07-05T14:15:08

Last Modified Date
2023-04-03T20:15:07

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:alibaba:nacos::::::::	1	OR		2.0.3

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
http://packetstormsecurity.com/files/171638/Nacos-2.0.3-Access-Control.html
https://github.com/alibaba/nacos/issues/7127	Exploit Issue Tracking Third Party Advisory
https://github.com/alibaba/nacos/issues/7182	Exploit Issue Tracking Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-43116
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43116

History

Created	Old Value	New Value	Data Type	Notes
2022-07-05 15:00:08				Added to TrackCVE
2023-04-03 22:16:36		2023-04-03T20:15:07	CVE Modified Date	updated
2023-04-03 22:16:36	Analyzed	Modified	Vulnerability Status	updated
2023-04-03 22:16:37			References	updated